25478427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 13809381

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 463, 663, 1079, 1389, 1411, 3237, 4233, 6019, 7871, 18057, 18343, 23613, 38429, 55029, 102323, 115287, 306969, 499577, 653293, 1498731, 1959879, 8492809, 25478427]

約数ペア:

[(1, 25478427), (3, 8492809), (13, 1959879), (17, 1498731), (39, 653293), (51, 499577), (83, 306969), (221, 115287), (249, 102323), (463, 55029), (663, 38429), (1079, 23613), (1389, 18343), (1411, 18057), (3237, 7871), (4233, 6019)]